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Emu (Dromaius novaehollandiae)
Body contour feather with primitive, hair-like structure

Emu (Dromaius novaehollandiae)

Kingdom: Animalia, Phylum: Chordata, Class: Aves, Order: Casuariiformes, Family: Dromaiidae, Genus: Dromaius, Species: D. novaehollandiae

AI-generated identification · may be incorrect

Family: Dromaiidae (Emus)

Shape
Elongated, loose-webbed, flexible, and tapering to a fine point without a stiff central rachis typical of flying birds
Size
Approximately 8 to 12 inches long, characteristic of large body contour feathers from a flightless ratite
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Description

The emu is a large, flightless bird standing up to 6.2 feet tall with shaggy, grayish-brown plumage, a long neck, and powerful legs adapted for running at speeds up to 30 mph. Their specialized feathers function more like mammalian hair to protect against extreme temperatures.

Colour & Pattern

Dark grayish-black with silvery-gray tips, providing camouflage against dry scrub and brush habitats

Barb Structure

Entirely plumulaceous with disconnected, hair-like barbs lacking interlocking barbicels, giving it a soft, double-feather appearance where a secondary shaft emerges from the base

Rachis & Barb Pattern

Split or paired rachis structure typical of ratites, featuring long, hair-like flexible barbs radiating loosely along the length without a rigid central shaft

Texture & Surface

Soft, coarse, hair-like texture, matte finish, lacking any waterproof oil coating due to the absence of a preen gland

Feather Placement

Body contour feather from the breast, neck, or flank, adapted for thermal insulation rather than aerodynamics

Key Features

Double-feather structure where two feathers emerge from a single shaft, long hair-like loose barbs, and absence of a rigid interlocking vane

Habitat

Open plains, eucalyptus woodlands, savannahs, and arid shrublands, avoiding dense rainforests and extreme deserts

Geographic Range

Endemic to mainland Australia, introduced to Maria Island; widely farmed globally

Ecological Role

Acts as an important seed disperser for native Australian flora by consuming fruits and spreading seeds across large territories

Similar Species

Cassowary (Casuarius casuarius) and Ostrich (Struthio camelus), distinguished by feather length, color, and barb stiffness

Interesting Facts

Emus are the second-largest living bird by height after the ostrich, can sprint up to 50 km/h, and the male incubates the large green eggs alone for nearly two months without eating or drinking much

Cultural Significance

Significant in Indigenous Australian Dreamtime stories and creation myths; feathers and oil are used commercially for leather, oil products, and crafts

Field Identification Tips

Look for the distinctive double-shafted, hair-like black or grayish texture unique to ratites in areas frequented by captive or wild emus

Condition Notes

Good condition, displaying natural wear typical of loose ratite contour feathers without significant damage